v3.22.2.2
Cover
Oct. 02, 2022
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 02, 2022
Entity File Number 001-40282
Entity Registrant Name AMCI Acquisition Corp. II
Entity Central Index Key 0001843724
Entity Tax Identification Number 86-1763050
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 600 Steamboat Road
Entity Address, City or Town Greenwich
Entity Address, State or Province CT
Entity Address, Postal Zip Code 06830
City Area Code 203
Local Phone Number 625-9200
Written Communications true
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Units, each consisting of one share of Class A common stock and one-half of one redeemable warrant [Member]  
Document Information [Line Items]  
Title of 12(b) Security Units, each consisting of one share of Class A common stock and one-half of one redeemable warrant
Trading Symbol AMCIU
Security Exchange Name NASDAQ
Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Class A common stock, par value $0.0001 per share
Trading Symbol AMCI
Security Exchange Name NASDAQ
Redeemable warrants, each warrant exercisable for one share of Class A common stock, each at an exercise price of $11.50 [Member]  
Document Information [Line Items]  
Title of 12(b) Security Redeemable warrants, each warrant exercisable for one share of Class A common stock, each at an exercise price of $11.50
Trading Symbol AMCIW
Security Exchange Name NASDAQ